The Lion, the Witch and the Wardrobe / The Magician's Nephew

The Magician's nephew: When Digory and Polly try to return the wicked witch Jadis to her own world, the magic gets mixed up and they all land in Narnia where they witness Aslan blessing the animals with human speech. The Lion, the witch and the wardrobe: Four English schoolchildren find their way through the back of a wardrobe into the magic land of Narnia and assist its ruler, the golden lion Aslan, in defeating the White Witch who has cursed the land with eternal winter.